code: def set_color_fill(color_fill=None):
      """Sets the global color fill (color should be a set of rgb float values)."""
      global _COLOR_FILL
      _COLOR_FILL = (
          [0.000, 0.447, 0.741] if color_fill is None else color_fill
      )
  
file_path: pycls/pycls/sweep/plotting.py
imports: import matplotlib.lines
  import matplotlib.pyplot
  import matplotlib.ticker
  import numpy
  import pycls.models.regnet
  from pycls.sweep.analysis import get_info, get_vals, sort_sweep
label_desc: Use image node_id 3 for calling a global function with example usage: set_color_fill(color_fill) without return types